The QTDC™ Series Bathroom Exhaust Fan is the ultimate solution for today’s homes. Select a QTDC™ Series fan to bring simple elegance to any bath or powder room. By sight or by sound, you’ll barely notice a QTDC fan. And with its adjustable speed options you can select 150/130/110 CFM for your room’s needs. Sensaire® Sense on Rise Technology detects a rise in humidity up to 40% faster than competitive models.